Universal joint



(No Model.)

0. B. DEY-O & A. G. OARMAN'.

UNIVERSAL JOINT.

No. 267,844. Patented Nov. 21.. 1882.

N. PETERS. Phula-Lilhwgnpher. Washington. 11c.

UNITED STATES PATENT OFFICE.

CALVIN B. DEYO AND ALONZO G. OARMAN, OF MARENGO, ILLINOIS.

UNIVERSAL JOINT.

SPECIFICATION formingpart of Letters Patent No. 267,844, dated November211, 1882.

Application filed September 28, 1882.

To all whom it may concern Be it known that we, CALVIN B. Dave and AmmoG. CARMAN, citizens of the United States of America, residing atMarengo, in the county of McHenry and State of Illinois, have inventedcertain new and useful Improvements in Universal Joints; and we dohereby declare the following to be a full, clear, and exact descriptionof the invention, such as will enable others skilled in the art to whichit appertains to make and use the same, reference being had to theaccompanying drawings, and to letters or figures of reference markedthereon, which form a part of this specification.

This invention relates to certain new and useful improvementsin'shaft-couplings, and it is designed more especially to be used inconnection with wind-wheels or similar powers in which it is desirableto convert the motion from 'a horizontal rotary shaft to a verticalrotary shaft, which shafts are journaled at right angles with each otherin a frame; and our invention consists of a gimbal or universal joint ofpeculiar construction, as will be hereinafter set forth, when used incombination with a rigid frame havin gacentralopening and shaftbearingsat right angles with each other, as

will be hereinafter more fully set forth, and

I ing is provided on its lower side with a tapering journal, which restswithin and on suitable hearings attached to the supporting-frame orroller-table. This tapered bearing and the vertical shaft-socket arelocated at right angles with the bearin g and shaft which support thewind-wheel. The casting A is provided with a central opening of asufficient size to receive the connecting means for the ends of theshaft. The ends of the horizontal and vertical shafts B and 0 within thecasting A are (No model.)

provided with yokes a a, having shaft-sockets at one end, the endportion of these yokes being bifurcated, which members b b diverge fromeach other, so as to form an angle above the shaft-socket of aboutforty-five degrees. The ends of these members I) b are provided withjournals b b, which are formed on the ends of 'the same, so as to be atright angles with the shaft to which they are attached. They are alsoprovided with shoulders c c at right angles with the journals I) b.these yokes a at is provided with rings D D,

Each of r having at opposite sides sockets, in which rest thejournals 1) b, the shoulders ccbearing upon the inner rims of theserings. The intermediate or connecting portion of this coupling consistsof a joint, E, having a straight central portion, 0, from which divergearms or members (1 d and d 01. These arms or members project from thecentral portion, 6, of the connecting means E, so as to fit within therings D D. The members or arms which are attached to the centralportion, a, are also formed'so as to extend in opposite directions or atright angles to each other, and they are journaled within the rings D Dopposite the arms I) b. The ends of the members cl d are provided withjournals and shoulders similar to those formed on the end of the membersI) b.

The parts of this coupling or gimbal joint are secured to each other bythe rings D D, which are provided with four openings or perforations atequal distances from each other. These rings are secured to the journalson the end of the members by heating the same until they have expandedsufficiently to allow the journals to be placed in their respectivesockets. By this 'means the parts are united securely to each other.

We are aware that universal jointshave heretofore been constructedhaving a central per tion connected to the ends of the couplin g-rods bycrosses having arms on the same plane, and that a single ring has alsobeen employed to connect the parts; and we do not claim such as ourinvention, which is designed to obviate the vibratory and unsteadymotion which accom panics the usual form of universal joints, andrenders them objectionable. Securing the rods within a rigid frame, asdescribed ,also increases the steadiness of the motion.

Having thus described our invention,what we claim as new, and desire tosecure by Letters Patent, is-

1. The frame A, having shaft-bearings at right angles with each otherand the central opening, in combination with a horizontal and verticalshaft having coupling means consisting of the yokes a a, havingmembersbb, rings D D, and central member, E, with arms at right angleswith each other, substantially as shown, and for the purpose set forth.

2. A universal coupling for the purpose set forth, consisting of theyokes aa, havingmeans for attaching the same to the ends of shafts, andprojecting members I), having on their ends journals b and shoulders c,and intermediate member, E, having'straight portion 0, the membersprojecting at right angles with the portion E, the parts being connectedto each other by rings D D, which embrace the ends of the members,substantially as shown and described.

In testimony whereof we affix our signatures in presence of twowitnesses.

CALVIN B. DEYO. ALONZO G. GARMAN.

Witnesses:

IRA R. GURTISS,. GEORGE L. BOYINGTON.

